Finding the Fourth Proportional to 7,185.58, 10,771.08 and 5,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,185.58 : 10,771.08 = 5,105.50 : x
2. Step 2: Convert to fraction form
   7,185.58/10,771.08 = 5,105.50/x
3. Step 3: Cross multiply
   7,185.58x = 10,771.08 × 5,105.50
4. Step 4: Simplify right side
   7,185.58x = 54,991,748.94
5. Step 5: Solve for x
   x = 54,991,748.94/7,185.58
6. Step 6: Final answer
   x = 7,653.07